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Configure Postfix to stop it blocking email sent from a certain domain

Posted on 2005-04-04
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Last Modified: 2010-04-20
Hi all,

Just got a new server which runs postfix and is admined through webmin and I'm new to postfix.

When sending mail to this new server to the address leon@pitch-invasion.com from leon@aciddrop.com using the SMTP server aciddrop.com (67.18.20.217) mail doesn't get through. If I use my ISP's smtp server, or gmail it does get through.

Therefore, my pitch-invasion.com domain is somehow blocking mail sent from the aciddrop.com SMTP. Nothing about this shows up in the logs.

How, therefore, can I configure the Postfix server on pitch-invasion.com to stop blocking this email?

Many thanks,

Leon Chevalier
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Question by:d60eba
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it_alchemist earned 2000 total points
ID: 13698883
Presumably you control both domains? If you do, can you check the maillogs on aciddrop.com to see any related error messages?

If it is a new setup, it may just be a little delay in DNS updates as some DNS servers are slow to pick up changes when new domains are added.

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by:d60eba
ID: 13705789
Doh! Slap head time. I had a pitch-invasion.com domain set-up on the aciddrop.com server too (which was just a left-over). So it was delivering the mail internally.

This was realised through looking at the logs so I'll give you the points alchemist.

Thanks!

Leon
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